Participants
| Ana Mardjokic | Montenegro |
| Szabó Mária | |
| Aurel Marin | Romania |
| Miklós Maróth | Hungary |
| Beatriz Martínez | Argentina |
| Veronica Martinez-Ocana | Belgium |
| Irena Martinović Klarić | Croatia |
| Krisztina Márton | |
| Ban Masadeh | Jordan |
| Jozef Masarik | Slovakia |
| Marco Masia | Italy |
| Dimitry Maslov | Russian Federation |
| Buti Masoka | South Africa |
| Ágnes Máté | Hungary |
| Ani Matei | Romania |
| Melinda Máthé | Hungary |
| Réka Máthé | Hungary |
| Wallace Mawire | Zimbabwe |
| Federico Mayor | Spain |
| Claire Mays | United States of America |
| Alexander Mays | Sweden |
| Peter McGrath | United Kingdom |
| Nagwa Meguid | Egypt |
| Sahar Mehanna | Egypt |
| David Mellor | United States of America |
| Leonid Melnyk | Ukraine |
| Fernando Mendez Garzon | Colombia |